Action Comics ##340
DC Comics • Action Comics Vol. 1

Writer
Jim Shooter
Interior Artist
Al Plastino
Cover Artist
Wayne Boring
Publication Date
August 1966
Cover Variant
Regular
Printing
First Printing
Comic Description
This issue features the first appearance of the Parasite (Raymond Maxwell Jensen), a classic Superman villain who absorbs life energy and powers. The story 'The Power of the Parasite!' shows Jensen being transformed by radioactive waste into the purple-skinned menace.
Condition & Value
Condition Grade
Good/Very Good (CGC 3.0)
Condition Details
Visible spine split at the bottom left, heavy spine stress with color breaking, rounded corners, minor foxing/staining on the left edge, and general surface wear. Small pen mark in the word 'Parasite' on the cover.
Estimated Market Value
Raw: $40 - $70 | Graded (3.0): $120 - $150
Recent Sales
Recent sales for mid-to-high grade copies vary significantly; however, 3.0-4.0 range copies have sold between $50 and $90 raw in 2023. Graded 9.0+ copies reach over $1,500.
Grading Recommendation
Not recommended for grading unless sentimental. The cost of CGC/CBCS grading plus shipping would exceed the current market value of the book in its present 3.0 condition.
Notable Features
Major Key Issue: 1st Appearance of the Parasite. Also includes a 'double-page pin-up of Superman' which must be present for the book to be considered complete.
Authentication Notes
Authentic 1966 Silver Age print. 12-cent cover price is correct. Patina and paper oxidation are consistent with the era and storage condition shown.